cc.game.on(cc.game.EVENT_ENGINE_INITED, () => {
    let physicsManager = cc.director.getPhysicsManager()
    physicsManager.enabled = true
    
    physicsManager.debugDrawFlags = 
        0;
        // cc.PhysicsManager.DrawBits.e_aabbBit |
        // cc.PhysicsManager.DrawBits.e_pairBit |
        // cc.PhysicsManager.DrawBits.e_centerOfMassBit |
        // cc.PhysicsManager.DrawBits.e_jointBit |
        // cc.PhysicsManager.DrawBits.e_shapeBit
        // ;    
});
